Buy 1993 Audi S4 Power Steering Return Hose. A6/S6. Power Steering Line - Repair or Replace If the Gear, HOSES, Line - OEM Audi Part # 4A1422891C (4A1-422-891-C)

Power Steering Return Hose.
From Gear. Return Hose for Power Steering.

Power Steering Return Hose

Fits 100, A6, S4, S6

A6/S6.
Power Steering Line - Repair or Replace
If the steering in your 1993 Audi S4 whines or groans, or if your steering wheel is hard to turn, you may have a leaking power steering line.